IBTS.L vs. IDTL.L
IBTS.L (iShares $ Treasury Bond 1-3yr UCITS ETF) and IDTL.L (iShares Treasury Bond 20+ UCITS) are both Government Bonds funds from iShares - IBTS.L tracks the ICE U.S. Treasury 1-3 Year Bond Index while IDTL.L tracks the ICE U.S. Treasury 20+ Year Bond Index. Both are passively managed. Over the past 10 years, IBTS.L returned 2.47%/yr vs -1.10%/yr for IDTL.L. At a 0.46 correlation, their price movements are largely independent. Both charge a 0.07% expense ratio.
Performance
IBTS.L vs. IDTL.L - Performance Comparison
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Different Trading Currencies
IBTS.L is traded in GBP, while IDTL.L is traded in USD. To make them comparable, the IDTL.L values have been converted to GBP using the latest available exchange rates.
Returns By Period
In the year-to-date period, IBTS.L achieves a 1.16% return, which is significantly higher than IDTL.L's -0.88% return. Over the past 10 years, IBTS.L has outperformed IDTL.L with an annualized return of 2.47%, while IDTL.L has yielded a comparatively lower -1.10% annualized return.
IBTS.L
- 1D
- 0.26%
- 1M
- 1.96%
- YTD
- 1.16%
- 6M
- 0.62%
- 1Y
- 4.86%
- 3Y*
- 2.17%
- 5Y*
- 2.98%
- 10Y*
- 2.47%
IDTL.L
- 1D
- -0.34%
- 1M
- 1.21%
- YTD
- -0.88%
- 6M
- -1.00%
- 1Y
- 5.21%
- 3Y*
- -3.64%
- 5Y*
- -5.41%
- 10Y*
- -1.10%
IBTS.L vs. IDTL.L - Yearly Performance Comparison
| 2026 (YTD) | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | |
|---|---|---|---|---|---|---|---|---|---|---|
IBTS.L iShares $ Treasury Bond 1-3yr UCITS ETF | 1.16% | -1.91% | 5.79% | -1.41% | 7.61% | 0.64% | -0.34% | 0.37% | 7.22% | -8.60% |
IDTL.L iShares Treasury Bond 20+ UCITS | -0.88% | -2.70% | -5.60% | -2.92% | -22.19% | -3.74% | 13.68% | 11.30% | 3.90% | -0.37% |
Correlation
The correlation between IBTS.L and IDTL.L is 0.26, which is low. Their price movements are largely independent, making them effective diversification partners.
| Correlation | |
|---|---|
Correlation (1Y) Calculated over the trailing 1-year period | 0.26 |
Correlation (3Y) Calculated over the trailing 3-year period | 0.25 |
Correlation (5Y) Calculated over the trailing 5-year period | 0.31 |
Correlation (10Y) Calculated over the trailing 10-year period | 0.44 |
Correlation (All Time) Calculated using the full available price history since Jan 21, 2015 | 0.46 |
The correlation between IBTS.L and IDTL.L shifts across timeframes, from 0.25 (3 years) to 0.46 (all time), reflecting how their relationship changes across market environments.
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Return for Risk
IBTS.L vs. IDTL.L — Risk / Return Rank
IBTS.L
IDTL.L
IBTS.L vs. IDTL.L - Risk-Adjusted Trends Comparison
This table presents a comparison of risk-adjusted performance metrics for iShares $ Treasury Bond 1-3yr UCITS ETF (IBTS.L) and iShares Treasury Bond 20+ UCITS (IDTL.L). Risk-adjusted metrics are performance indicators that assess an investment's returns in relation to its risk, enabling a more accurate comparison of different investment options.
| IBTS.L | IDTL.L | Difference | |
|---|---|---|---|
| Sharpe ratioReturn per unit of total volatility | +0.29 | ||
| Sortino ratioReturn per unit of downside risk | +0.40 | ||
| Omega ratioGain probability vs. loss probability | 1.14 | 1.09 | +0.05 |
| Calmar ratioReturn relative to maximum drawdown | 1.07 | 0.62 | +0.46 |
| Martin ratioReturn relative to average drawdown | 2.72 | 1.33 | +1.40 |
Data is calculated on a 1-year rolling basis and updated daily. The trend shows the change in the indicator over the past month. | |||
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Sharpe Ratios by Period
| IBTS.L | IDTL.L | Difference | |
|---|---|---|---|
Sharpe Ratio (1Y)Calculated over the trailing 1-year period | 0.79 | 0.50 | +0.29 |
Sharpe Ratio (5Y)Calculated over the trailing 5-year period | 0.37 | -0.34 | +0.71 |
Sharpe Ratio (10Y)Calculated over the trailing 10-year period | 0.27 | -0.06 | +0.33 |
Sharpe Ratio (All Time)Calculated using the full available price history | 0.12 | -0.00 | +0.12 |
Drawdowns
IBTS.L vs. IDTL.L - Drawdown Comparison
The maximum IBTS.L drawdown since its inception was -45.91%, smaller than the maximum IDTL.L drawdown of -49.39%. Use the drawdown chart below to compare losses from any high point for IBTS.L and IDTL.L.
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Drawdown Indicators
| IBTS.L | IDTL.L | Difference | |
|---|---|---|---|
Max DrawdownLargest peak-to-trough decline | -45.91% | -49.39% | +3.48% |
Max Drawdown (1Y)Largest decline over 1 year | -4.51% | -8.43% | +3.92% |
Max Drawdown (3Y)Largest decline over 3 years | -8.89% | -17.22% | +8.33% |
Max Drawdown (5Y)Largest decline over 5 years | -16.29% | -39.50% | +23.21% |
Max Drawdown (10Y)Largest decline over 10 years | -19.02% | -49.39% | +30.37% |
Current DrawdownCurrent decline from peak | -7.04% | -45.70% | +38.66% |
Average DrawdownAverage peak-to-trough decline | -11.03% | -23.00% | +11.97% |
Ulcer IndexDepth and duration of drawdowns from previous peaks | 1.78% | 3.92% | -2.14% |
Volatility
IBTS.L vs. IDTL.L - Volatility Comparison
The current volatility for iShares $ Treasury Bond 1-3yr UCITS ETF (IBTS.L) is 1.67%, while iShares Treasury Bond 20+ UCITS (IDTL.L) has a volatility of 3.15%. This indicates that IBTS.L experiences smaller price fluctuations and is considered to be less risky than IDTL.L based on this measure. The chart below showcases a comparison of their rolling one-month volatility.
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Volatility by Period
| IBTS.L | IDTL.L | Difference | |
|---|---|---|---|
Volatility (1M)Calculated over the trailing 1-month period | 1.67% | 3.15% | -1.48% |
Volatility (6M)Calculated over the trailing 6-month period | 4.37% | 7.53% | -3.16% |
Volatility (1Y)Calculated over the trailing 1-year period | 6.10% | 10.36% | -4.26% |
Volatility (5Y)Calculated over the trailing 5-year period, annualized | 8.09% | 15.94% | -7.85% |
Volatility (10Y)Calculated over the trailing 10-year period, annualized | 9.24% | 16.98% | -7.74% |
IBTS.L vs. IDTL.L - Expense Ratio Comparison
Both IBTS.L and IDTL.L have an expense ratio of 0.07%, making them cost-effective options compared to the broader market, where average expense ratios typically range from 0.3% to 0.9%.
Dividends
IBTS.L vs. IDTL.L - Dividend Comparison
IBTS.L's dividend yield for the trailing twelve months is around 3.97%, less than IDTL.L's 4.39% yield.
| Position | TTM | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | 2016 | 2015 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
IBTS.L iShares $ Treasury Bond 1-3yr UCITS ETF | 3.97% | 4.22% | 4.12% | 3.08% | 0.75% | 0.61% | 1.84% | 2.39% | 1.49% | 1.01% | 0.67% | 0.49% |
IDTL.L iShares Treasury Bond 20+ UCITS | 4.39% | 4.31% | 4.66% | 3.79% | 3.01% | 1.74% | 1.76% | 2.49% | 2.79% | 2.59% | 2.63% | 2.14% |
Frequently Asked Questions
IBTS.L and IDTL.L have a correlation of 0.26, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.
Both ETFs have the same 0.07% expense ratio. The better choice depends on whether you care most about return, fees, risk, or income.
IBTS.L and IDTL.L have the same expense ratio: 0.07% per year.
IBTS.L tracks ICE U.S. Treasury 1-3 Year Bond Index, while IDTL.L tracks ICE U.S. Treasury 20+ Year Bond Index.
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